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Rack-Mounting the Chassis
Catalyst 8540 Chassis Installation Guide
3-8
(c) Use a tape measure to measure the depth of the rack. Measure from the
outside of the front mounting posts to the outside of the rear mounting
strip. The depth must be at least 19.25 inches (48.9 cm) but not greater than
32 inches (81.3 cm).
(d) Measure the space between the inner edges of the left front and right front
mounting posts to ensure that it is 17.75 inches (45.09 cm) wide. (The
chassis is 17.25 inches [43.8 cm] wide and must fit between the mounting
posts.)
(e) Open the rack-mount kit.
Caution If the rack is on wheels, ensure that the brakes are engaged or that the
rack is otherwise stabilized.
Warning To prevent bodily injury when mounting or servicing this unit in a rack, you
must take special precautions to ensure that the system remains stable. The following
guidelines are provided to ensure your safety:
—This unit should be mounted at the bottom of the rack if it is the only
unit in the rack.
—When mounting this unit in a partially filled rack, load the rack from the
bottom to the top with the heaviest component at the bottom of the
rack.
—If the rack is provided with stabilizing devices, install the stabilizers
before mounting or servicing the unit in the rack.
Step 2 Install the shelf brackets as follows:
(a) Position the shelf brackets in the rack. (See Figure 3-3.)
(b) Secure the shelf brackets by using six (three per side) 12 –24 or 10–32
screws.
(c) Attach the crossbar bracket to the back of the shelf brackets using two M3
screws.